/Engine/Source/Developer/DesktopPlatform/Public/IDesktopPlatform.h
Enumerates all the registered binary engine installations.
void EnumerateLauncherEngineInstallations ( [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString) > & OutInstallations )